Rina Takakura, a married woman who secretly tells her husband a fictitious investment story that is the request of her beloved brother-in-law. She accepts her husband's vaginal cum shot for her brother-in-law, but enjoys dense forbidden SEX at home with her brother-in-law because her husband is away. Rina goes crazy while giving a joyful voice to her brother-in-law's soggy and intense mouth. In search of a hard and sharp meat stick, she is pushed up deep into the honey pot and ejaculates in the mouth. The desire of the exhaled brother-in-law tosses Rina's body swaying between pleasure and guilt.